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A Strategy for Producing Pure Single‐Layer Graphene Sheets Based on a Confined Self‐Assembly Approach
Author(s) -
Zhang Weixia,
Cui Jiecheng,
Tao Chengan,
Wu Yiguang,
Li Zhanping,
Ma Li,
Wen Yuquan,
Li Guangtao
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200902365
Subject(s) - graphene , carbonization , pyrrole , layer (electronics) , nanotechnology , materials science , polymerization , carbon fibers , micrometer , computer science , chemistry , composite material , physics , organic chemistry , optics , polymer , composite number , scanning electron microscope
Carbon sandwich : When a pyrrole‐containing surfactant is polymerized between layers of silica (see picture; pyrrole is red), subsequent carbonization and removal of the silica template yields large, pure, single‐layer graphene sheets. The procedure, which employs mild conditions, is controllable and can be used to produce micrometer‐sized graphene sheets on a gram scale.